In this thesis data from four sounding rocket experiments (PHAZE II, SIERRA, RACE and HIBAR) are used to explore the high and medium frequency waves seen in the auroral ionosphere. All rockets were launched into active aurora and carried both...

A basic understanding of how atmospherically-derived elements behave in soils is of concern in contaminant transport, nutrient cycling, and carbon sequestration studies. Here, I use stable and radioactive tracers to evaluate the fate of...